Load Compensation Inspection

Start the engine and run is at idle.
Connect the WDS or equivalent to the DLC-2.
Verify that P0506, P0507 or P0511 are not displayed.
- If P0506, P0507 or P0511 are displayed, perform DTC inspection. (See DTC TABLE .)
Select the RPM PID.
NOTE:
- Excludes temporary idle speed drop just after the loads are turned on.
Verify that the engine speed is within the specification under each load condition.
- If not as specified at specific load condition, inspect the following:
  - A/C switch and related harness (See CLIMATE CONTROL UNIT INSPECTION .)
  - Fan switch and related harness (See CLIMATE CONTROL UNIT INSPECTION .)
  - PSP switch and related harness (See POWER STEERING PRESSURE (PSP) SWITCH INSPECTION .)